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GB/T 45529-2025Road vehicles — Electrical electronic switching devices — Relay (English PDF)

道路车辆电气电子开关器件继电器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

November 1, 2025

Scope

GB/T 45529-2025 is the English-translated version of 道路车辆电气电子开关器件继电器.

GB/T 45529-2025 is the Chinese national standard covering the electromechanical relay in a 12 or 24 volt vehicle, mounted on a board or in a socket — the requirements and their test methods, the environmental loads of vibration, damp heat, dust and the fluids a relay meets under a bonnet, the conducted transients on the supply line, the B10 endurance figure, the inspection rules, and the socket hole dimensions that decide whether a part is interchangeable. It does not cover starter auxiliary relays or signal control relays. First edition, under the Ministry of Industry and Information Technology. In force from 1 November 2025. Issued on 25 April 2025, it has been in force since 1 November 2025.

Document preview — GB/T 45529-2025

National Standard of the People's Republic of China

ICS: 43.040.10
Classification: T 36

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions2
4 Categories3
5 Requirements and test methods3
6 Inspection Rules37
7 Marking, packaging, transportation and storage41
Appendix A (Informative) Socket Hole Dimensions42

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.

This document is under the jurisdiction of the National Technical Committee on Automotive Standardization (SAC/TC114).

This document was drafted by: Xiamen Hongfa Automotive Electronics Co., Ltd., Changsha Automotive Electrical Appliance Testing Center Co., Ltd., Great Wall Motor Co., Ltd.

Co., Ltd., Chery Automobile Co., Ltd., Henan Tianhai Electric Co., Ltd., Xiamen Hongyuanda Electric Co., Ltd., Anhui Jianghuai Automobile Group Co., Ltd., Guangzhou Automobile Group Co., Ltd.

The main drafters of this document are: Lin Yinhe, Peng Wenchao, Chen Hongbo, Chen Shuai, Wu Ziming, Zhang Desheng, Li Huiping, Tian Cheng, Chen Lingling, Xia Sanbao, Geng Weifeng, Zhai Zhixin, Zheng Adong, Guo Desui, Xu Yong, Zhong Zhaopei, and Hou Liheng.

Road vehicles electrical and electronic switching devices relays

1 Scope

This document defines the terms and definitions of relays for road vehicles, gives the classification, specifies the requirements, inspection rules, marking, packaging, transportation transportation and storage, and describes the corresponding test methods.

This document applies to road vehicles with power supply systems of 12VDC and 24VDC, and installation methods of printed circuit boards and plug-in electromagnetic relays.

Device (hereinafter referred to as "relay").

This document does not apply to special purpose relays such as auxiliary control relays for starters, signal control relays, etc.

2 Normative references

GB/T 2408-2021

GB/T 2423.3

GB/T 2423.56

GB/T 2423.60-2008

GB/T 2828.1-2012

GB/T 2900.63-2003

GB/T 6461

GB 11121

GB 12981

GB 17930

GB 19147

GB/T 21437.2-2021

GB/T 21711.1-2023

GB/T 21711.7-2018

GB/T 21711.201-2024

GB/T 28046.1

GB/T 28046.2-2019

GB/T 28046.3

GB/T 28046.4

GB/T 28046.5

GB/T 28957.1-2023

GB/T 30038-2013

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 40 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2408-2021 · GB/T 2423.3 · GB/T 2423.60-2008 · GB/T 2900.63-2003 · GB/T 6461 · GB/T 21437.2-2021 · GB/T 21711.1-2023 · GB/T 21711.7-2018 · GB/T 21711.201-2024 · GB/T 28046.1 · GB/T 28046.2-2019 · GB/T 28046.3 · GB/T 28046.4 · GB/T 28046.5 · GB/T 28957.1-2023 · GB/T 30038-2013

Editions of GB/T 45529

Edition	Title	Revision	Status
GB/T 45529-2025	Road vehicles - Electrical electronic switching devices - Relay	current edition	Current

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